body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #f6f7fb;
    color: #222;
}

header {
    background: #273c75;
    color: #fff;
    padding: 1.2rem 0;
    text-align: center;
}

header h1 {
    margin: 0 0 0.5rem 0;
    font-size: 2.2rem;
}

nav a {
    color: #fff;
    text-decoration: none;
    margin: 0 1rem;
    font-weight: bold;
    transition: color 0.2s;
}
nav a:hover {
    color: #00a8ff;
}
main {
    max-width: 700px;
    margin: 2rem auto;
    padding: 2rem;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
}

h2 {
    color: #273c75;
}
.cta {
    display: inline-block;
    margin-top: 1.5rem;
    padding: 0.7rem 2rem;
    background: #00a8ff;
    color: #fff;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.2s;
}
.cta:hover {
    background: #0097e6;
}

footer {
    text-align: center;
    padding: 1.5rem 0;
    background: #273c75;
    color: #fff;
    margin-top: 2rem;
    font-size: 0.95rem;
}
form input, form textarea {
    width: 100%;
    margin-bottom: 1rem;
    padding: 0.75rem;
    border-radius: 4px;
    border: 1px solid #cdd1d9;
    font-size: 1rem;
    box-sizing: border-box;
}
form button {
    background: #00a8ff;
    color: #fff;
    border: none;
    padding: 0.7rem 2rem;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: bold;
    cursor: not-allowed;
}